Food dehydrator



FIG. 1 is a perspective view of a food dehydrator showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a left side view, the right side view being a mirror image of the left side view. 

The ornamental design for a food dehydrator, substantially as shown and described. 